For example, a load of Granite Boulders being shipped to West Virgina can be delivered and on site in 4 days from date of order. Natural Stone Distributors is a landscape stone supply company based in Wayne, Michigan. Natural Stone supplies a wide range of Boulders, wall rocks, limestone, granite, cobble stone and a large assortment of garden stones and boulder outcropping rocks and landscape supplies. Landscape boulders have become the #1 choice for retaining walls, waterfalls and sea walls. Granite Boulders are the #1 selling natural landscaping stone in Michigan, We deliver boulders daily all across Michigan and the east coast.